1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a156c532ee3acfd6ebe1131c667b6317d643d41c4e82fccfa306f11d1f733ff. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2e6e419-571a-4bad-b101-45641aaf31c2.json and https://artists.proofprofile.net/proofs/artist/c2e6e419-571a-4bad-b101-45641aaf31c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.143 J-POP
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5716170228c2c80a53070cf4a8c6232b3730d07175c60607e88934f021c46a96. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952407994.
歌を贈ろう(ドラマ「素晴らしき哉、先生！」主題歌)(オリジナル：竹内まりや)(ピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f399b0dbd1d40692200df77692bd758dcef473f963bc42fdaeca24112df95d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952407995.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.125 J-POP
全方向美少女 (オリジナル：乃紫)(ピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2187fb5b86f6766af88a93d49097e5b94e5a22ee16591901a404345efea2fc05. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952405160.
永久 -トコシエ-(アニメ「鬼滅の刃-柱稽古編」ED)(オリジナル：HYDE；MY FIRST STORY)(ピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0463492d017017c70f05673853c22a3c0881b1b144e57ae110195901d01e39f. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952405162.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.119 J-POP
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4c1841aa635cad5117999b8bbce1517781e1ebc721d9408fd4811184be0045. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404894.
Vroom Vroom Vroom (オリジナル：Snow Man)(ピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684b991b3777ec54ea136184a039ee4774462fee73cb4aae4ef1c9fdef08e31d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71eb6f2804517307a3758cafced214efe5afd2f5e634d40218bc47bc37a138c5. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54628fe3bf5669cd3bedad0e734180cec052554940e947f9f15c671f9ab896d. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77becb3fd4878b9ceb1eb132c79770f0e548870fa9988b7304ac2c510be54edf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03b08e166add5062d776531c0a06e255dd7576d30e34ec7e3bccb7e4b5b11cc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7243f048a9408de3c27549066f7a637bfbadd619d863b845a1e4e001069762bb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952404900.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.101 J-POP
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.94 J-POP
Dear sunrise (アニメ「ONE PIECE」EDテーマ)(オリジナル：大槻マキ)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb79e8b0df8ed139c9b34db8bede7ead43e0e3ed0245570ece55710985f8264. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952401439.
冬と春 (オリジナル：back number)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b75bb93e263c88edaeb323afc7c8d8b48b16a72caee8201fb8a45351541277. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952401442.
マイナーピース (アニメ「ようこそ実力至上主義の教室へ」OPテーマ)(オリジナル：ZAQ)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e6c862069a5cb6a73620c6748fe8b367676b37d7166c071eefb7ad0a3c3a25. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952401443.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.85 J-POP
アイノロイ (ドラマ「ゆりあ先生の赤い糸」主題歌)(オリジナル：矢井田 瞳)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7585e4b797243cc59b60c3c4a8e373108dcaa3452f95e4dd79f6c727a308c9aa. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952400091.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.83 J-POP
BOY (アニメ「王様ランキング」OPテーマ)(オリジナル：King Gnu)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd17d85f6884c7c4da45ca3b7146ebe3da57eda76bb8ee57916260b2dc9beef4c. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952323037.
白日 (ドラマ「イノセンス 冤罪弁護士」主題歌)(オリジナル：King Gnu)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x442c769738dc48a3e4cb941c86bcc82427faa48ac1b909d719693b3efbcb2472. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952323039.
連続テレビ小説「ブギウギ」劇中歌 ～ピアノアレンジ～
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.80 J-POP (アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.56 J-POP)
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.78 J-POP (アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.56 J-POP)
踊り子(from Album "replica")(オリジナル：Vaundy)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x515c166fa9f8d6130dc06f7749efdf6ad77a0355adf60414fb7539a56a7621e6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952320573.
恋風邪にのせて(from Album "replica")(オリジナル：Vaundy)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbcb7e08a334825b994aa662cb73d5c782341eb5529fc3b8bdede2edbd4f822. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952320575.
怪獣の花唄(from Album "replica")(オリジナル：Vaundy)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81806c5ab4f538dc7431c2d4904c11798ce2fa612867445e867f5766dfd9b0c5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952320579.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.73 J-POP (アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.56 J-POP)
晩餐歌 (オリジナル：tuki.)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5851fcf2d1f5dd1e89cea6957c73d6dc4e6656d0dc88530d54b5bd4933edd18f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319191.
MAGIC WORD (オリジナル：King ＆ Prince)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa316959cf59f75215bfb4ec2e2d01f35dfc184dd6e0b7470a90268f76b0fa5b1. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319192.
Flashback feat. Daichi Yamamoto (ドラマ「ONE DAY～聖夜のから騒ぎ～」主題歌)(オリジナル：ミイナ・オカベ)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6759e9a7773b1315199077aa2c1a91344a905eefe5f9089a90cd42b536877e. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319194.
UP TO ME! (アニメ「七つの大罪 黙示録の四騎士」オープニング)(オリジナル：Little Glee Monster)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e8a6786c5acb738ffc1d9a6b9455061207ac2380659f9ea3cdb118f65e60b7. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319195.
ネクタリン (教育番組「天才てれびくん」テーマソング)(オリジナル：マカロニえんぴつ)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a5e97d6057238f9724466550316321a4f794095ac8beac653da2d947fb488f. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319196.
夏暁 (アニメ「GAMERA -Rebirth-」主題歌)(オリジナル：WANIMA)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30c214823ba2bd52fe1493184cd974da7516c20087a5d51b4e8d93f25e8d174. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952319197.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.67 J-POP (アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.56 J-POP)
Relay～杜の詩 (オリジナル：サザンオールスターズ)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7390ea04c07185e5091bfb1b1b78fbf465b69dca35a7d583ab89c9d712b0544. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952316370.
きみいろ (オリジナル：King & Prince 永瀬廉)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f29bfc6e28c644b5ef4a322cac1b50f2220ab0a53e4390de39094183174c9e2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952316371.
最高到達点 (アニメ「ワンピース」 主題歌)(オリジナル：SEKAI NO OWRI)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92ebbabb23835b48de2a3eb7a374015618125c0a725758b7cb0c5b23481df10. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952316373.
唱 (ユニバーサル･スタジオ･ジャパン「ゾンビ・デ・ダンス」新テーマソング)(オリジナル：Ado)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c2b9ca265108a4f21fae769229b259bb67010d2d8080ff14aaab2b4d05ff60. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952316376.
愛し生きること (オリジナル：King & Prince)(アコースティック＆エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85c2d595525141bb6f4a0b17093156882205c700e5671896f9fefbea1543009. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952316379.
80年代シティポップピアノ Vol.7 (アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集～Vol.56 J-POP)
眠りを誘う80年代シティポップピアノ Vol.8
眠りを誘う80年代シティポップピアノ Vol.7
眠りを誘う80年代シティポップピアノ Vol.6
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.49 J-POP
DEAR MY LOVER (ドラマ「王様に捧ぐ薬指」主題歌)(オリジナル:Hey! Say! JUMP)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8aa281f76a0e346435436b5f444fd369252f2251032e7c16d2ec163f692290. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952310833.
なにもの (ドラマ「だが、情熱はある」主題歌)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e2c7425cf483cf28bd7aa1a2b50f1df00fedddeb016095baf7a6de20c68ee6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952310834.
Magic (TVCM「Coke STUDIO Magic」テーマソング)(オリジナル:Mrs. GREEN APPLE)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1690ed4bd1d7fc5fe6bb693f76a0ca38d145c716c73e6f4c8a04e1c530ed567. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952310840.
眠りを誘う80年代シティポップピアノ Vol.5
眠りを誘う80年代シティポップピアノ Vol.4
眠りを誘う80年代シティポップピアノ Vol.3
想い出がいっぱい (オリジナル:H2O)(眠りを誘うシティポップピアノ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66b26b61574e65066ae4981cae6cfcab6580175fffc047f49e6180280942d64. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307606.
眠りを誘う80年代シティポップピアノ Vol.2
想い出がいっぱい (オリジナル:H2O)(シティポップピアノ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f301774937f7bd56f0753167dac2f7e2b18bc2bf3a229392fb99311f5c700aa. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307536.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.44 J-POP
美しい鰭 (劇場版「名探偵コナン 黒鉄の魚影(サブマリン)」主題歌)(オリジナル:スピッツ)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31d006fc89200954c0c9db5d17c3aacd5cc5f463768e64e10d34d7e973fb6074. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307122.
アイドル (アニメ「推しの子」主題歌)(オリジナル:YOASOBI)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91451015c1235dfdf5425bbdef40b7d937b49e291d606a6076c8a90ba17c69f3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307124.
あいことば (オリジナル:Snow Man)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bea7427ba63aef9ce5ced70b3225d102af8d1c29de47de293372a3f2b4dd9a. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307127.
美しい鰭 (劇場版「名探偵コナン 黒鉄の魚影(サブマリン)」主題歌)(オリジナル:スピッツ)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed091b6152015473d275d04d239cad2ebccf1e852de35bdd6f79be50319ede34. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307192.
絆の奇跡 (アニメ「鬼滅の刃 -刀鍛冶の里編-」オープニングテーマ)(オリジナル:MAN WITH A MISSION × milet)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de21b7f667d1325a90d0795ff08b24165b8a3a0fafde07e7aecce7e97ecfbca. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307193.
アイドル (アニメ「推しの子」主題歌)(オリジナル:YOASOBI)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aece0494322e27b488e5f20bd935add53159bcd3a22d86937a88d21831a434a. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307194.
あいことば (オリジナル:Snow Man)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9447460159f69a5104790060d37622c52d850dc9619b4ffe8d7e3d9192d497e. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952307197.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.43 J-POP
セブンティーン (オリジナル:YOASOBI)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b64d02eee5a5b6b0e3ae9393f6291bd58ae3d874d65dee4efed322a02a0e174. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952306662.
そんなbitterな話 (ABEMA番組「花束とオオカミちゃんには騙されない」主題歌)(オリジナル:Vaundy)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6eedba23b1dc0cfe881415666777dc3e61f8babc87a7aa2cb99af9b32302dd3. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952306705.
眠りを誘う80年代シティポップピアノ Vol.1
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.41 J-POP
Paradise (映画ドラえもん「のび太と空の理想郷」主題歌)(オリジナル:NiZiU)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56972e8412da2cebf9de367b9923c79f63cbe2b5c2825ac51ddc47d5f1cf6eb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952305436.
STARS (オリジナル:三代目 J Soul Brothers)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7994a8dfe6c2efed86550c5b5019cf2ce8bae73fa8456a3dcf049e16c113bbea. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952305439.
むちゃくちゃなフォーム (オリジナル:ジャニーズWEST)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722df1ebc4ad577b6f9d5c5756108afea0e9842b2bf1a289735a30c0324f35d0. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952305497.
Paradise (映画ドラえもん「のび太と空の理想郷」主題歌)(オリジナル:NiZiU)(ぐっすり眠れるピアノ2重奏)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ece34f6df68e1d6d02b1fcbbe691f71f3ef5f2e3bc60db903341d98c5544c4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952305499.
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.40 J-POP
ぐっすり眠れる癒しのオルゴール集 ~Vol.11 ディズニーサウンド
アコースティックピアノとエレクトニックピアノが奏でる自然に心が落ちつくヒーリングサウンド集~Vol.38 J-POP
シンデレラガール (ドラマ「花のち晴れ~花男 Next Season~」主題歌)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd8089ffe8215febf12a3d0c9b0886c5ca759bba71a82387319d24e87a8219d. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303739.
Memorial (ドラマ「部活、好きじゃなきゃダメですか?」主題歌)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bcf07ac712c35853ae310f1a794076acee52a0e574e43c49c90d65639cdb2a5. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303740.
君を待ってる (UHA味覚糖「ぷっちょ」CMソング)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08ad390f9fb8982bc42abe911fa7d2de482291e7d5e57d3e9b98bb5ded6ec77. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303741.
koi-wazurai (映画「かぐや様は告らせたい~天才たちの恋愛頭脳戦~」主題歌)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044f694ff9dee64ac66cc6f93fab3aed58beefbcfcdd0fa4e43979de0c2dabff. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303742.
Mazy Night (ドラマ「未満警察 ミッドナイトランナー」主題歌)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf75cde676de4dce5cfd6e0b02bb90cd17e7b5278fe6c895a1fc8eb25f0640b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303743.
I Promise (「セブン-イレブン」2020年クリスマスCMソング)(オリジナル:King & Prince)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ba9d0c8ecfee6affb211d3d29193c8402164e480b3fe0b3e93389781cd5ce4. Chain 2 (Bitcoin): anchored in block 960339 (2026-07-31T03:13:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303744.
タペストリー (映画「わたしの幸せな結婚」主題歌)(オリジナル:Snow Man)(アコースティック&エレクトリックピアノDUO)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57734cdfa9e12ba387ea8c56de166f2c61ba6a2d6c0a6206ba28da1453b2e0fe. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB952303747.